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Finding the Third Proportional to 435,553 and 659,889

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Solution

The third proportional to 435,553 and 659,889 is: 999,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,553 : 659,889 = 659,889 : x
  2. Step 2: Convert to fraction form
    435,553/659,889 = 659,889/x
  3. Step 3: Cross multiply
    435,553x = 659,889 × 659,889
  4. Step 4: Simplify right side
    435,553x = 435,453,492,321
  5. Step 5: Solve for x
    x = 435,453,492,321/435,553
  6. Step 6: Final answer
    x = 999,771.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.